Be prepared for Influenza

Population size - Hong Kong population has gradually increased from 3.17 million in 1961 to 7.29 million in 2015.

Life expectancy - In 2015, the life expectancy at birth of male was 81.4 years while that of female was 87.3 years.

Major causes of death - Six types of non-communicable diseases, namely, cancers, diseases of heart, cerebrovascular diseases, chronic lower respiratory diseases, injuries and poisoning, and diabetes mellitus, accounted for 59.7% of all registered deaths in Hong Kong in 2015.

Age structure - Hong Kong population had been ageing for the past 20 years.